:root{
  --bg:#f7f9fc;
  --card:#ffffff;
  --text:#0a0f16;
  --muted:#6b7785;
  --primary:#0069ff;
  --primary-600:#0050c8;
  --border:#e6ecf2;
  --error:#d7263d;
}
/* 強制ライトテーマ（Safari含む） */
html{ color-scheme: light; background:#fff; }
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.nav{display:flex;gap:8px;align-items:center}
.spacer{flex:1}
.site-header,.site-footer{
  max-width:960px;
  margin:0 auto;
  padding:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{display:flex;gap:8px;align-items:center}
.logo{width:28px;height:28px;border-radius:6px;background:var(--primary);color:#fff;display:inline-grid;place-items:center;font-weight:800}
.title{font-weight:700}
.container{max-width:960px;margin:24px auto;padding:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 10px 24px rgba(2,8,20,.05)}
.card h1{margin:4px 0 8px}
.muted{color:var(--muted)}
.note{font-size:.9rem;color:var(--muted);margin-top:8px}
.stack{display:grid;gap:12px;margin-top:12px}
.field{display:grid;gap:6px}
.field>span{font-size:.9rem;color:var(--muted)}
input,select,textarea{background:#fff;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:16px}
input:focus{outline:2px solid var(--primary);outline-offset:1px}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;border:1px solid var(--border);
  padding:12px 14px;cursor:pointer;background:#101821;color:var(--text);
}
.button.primary{background:var(--primary);border-color:var(--primary-600);color:#fff;font-weight:700}
.button.ghost{background:transparent}
.button:disabled{opacity:.6;cursor:not-allowed}
.button:focus-visible{outline:3px solid rgba(0,105,255,.35)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:12px}
.tile{background:#0f1620;border:1px solid var(--border);padding:16px;border-radius:10px}
.tile{background:#fff;border:1px solid var(--border);padding:16px;border-radius:12px;text-align:left;transition:transform .08s ease, box-shadow .2s ease}
.tile.link{cursor:pointer;display:flex;gap:12px;align-items:center}
.tile:hover{box-shadow:0 8px 22px rgba(2,8,20,.08);transform:translateY(-1px)}
.tile .tile-icon{font-size:22px}
.tile .tile-body h2{margin:0 0 4px}
.tile.warn{border-color:#ffe4a3;background:#fffaf0}
.tile.disabled{opacity:.5;pointer-events:none}
.error{color:var(--error)}
.site-footer{opacity:.75}

/* Dept memo layout */
.view-header{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin-bottom:8px}
.toolbar.grid-3{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin:8px 0 16px}
.memo-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.field.full{grid-column:1/-1}
.actions{display:flex;gap:12px;align-items:center;margin-top:16px}
.row{display:flex;gap:8px}
.list{display:grid;gap:10px;margin-top:8px}
.item{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:#fff}
.item .left{display:flex;gap:8px;align-items:center}
.check{width:22px;height:22px;display:inline-grid;place-items:center;border:1px solid var(--border);border-radius:50%}
.badge{display:inline-block;background:#eef4ff;color:#294c86;border:1px solid #d6e2ff;border-radius:999px;padding:4px 10px;font-size:12px}
.summary{display:flex;gap:8px;margin-top:10px}

/* Sales (赤字回避) */
.sales-card{margin-top:8px;border:1px solid var(--border);border-radius:14px;padding:18px;background:#fff;display:grid;gap:10px;position:relative}
.sales-card.deficit{border-color:#ffd2d7;background:#fff5f6}
.sales-card.deficit .headline{color:#d7263d}
.sales-card.surplus{border-color:#c8efd0;background:#f3fff5}
.sales-card.surplus .headline{color:#0f7b2d}
.sales-metrics{display:grid;gap:6px;font-size:.95rem}
.sales-metrics .row{display:flex;justify-content:space-between;gap:12px}
.sales-metrics .label{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}
.sales-metrics .value{font-weight:600;font-variant-numeric:tabular-nums}
.pill{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.7rem;font-weight:600;letter-spacing:.05em;background:#eef4ff;color:#294c86;border:1px solid #d6e2ff}
.sales-card.deficit .pill{background:#ffe4ea;color:#7d1023;border-color:#ffc2cc}
.sales-card.surplus .pill{background:#e0f9e7;color:#0f7b2d;border-color:#b9edc5}
.sales-auth{margin-bottom:12px}
.sales-history-list{display:grid;gap:8px;margin-top:12px}
.sales-history-item{border:1px solid var(--border);background:#fff;padding:10px 12px;border-radius:10px;display:flex;flex-direction:column;gap:4px;font-size:.8rem}
.sales-history-item.deficit{background:#fff6d9;border-color:#ffd37c;position:relative}
.sales-history-item.deficit:before{content:'YELLOW';position:absolute;top:6px;right:8px;background:#ffcf33;color:#7a4d00;font-size:.55rem;font-weight:700;padding:3px 6px;border-radius:6px;letter-spacing:.05em}
.sales-history-meta{display:flex;flex-wrap:wrap;gap:8px}
.sales-history-meta .tag{background:#eef1f5;border:1px solid #d8e0e7;border-radius:6px;padding:2px 6px;font-size:.65rem;font-weight:600;letter-spacing:.03em}
.yellow-inline{display:inline-flex;align-items:center;gap:4px;background:#ffec99;color:#7a4d00;font-size:.65rem;font-weight:600;padding:4px 8px;border-radius:999px;border:1px solid #ffd37c}

/* Duty Time (時間計算) */
.duty-results{display:grid;gap:20px;margin-top:8px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.duty-card{position:relative;border:1px solid var(--border);background:linear-gradient(135deg,#ffffff,#f5f9ff);border-radius:18px;padding:20px;display:grid;gap:12px;box-shadow:0 6px 18px rgba(10,15,22,.06)}
.duty-card.accent{background:linear-gradient(135deg,#fff1f6,#ffe7ef);border-color:#ffd0e1}
.duty-card-head{display:flex;justify-content:space-between;align-items:center;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.duty-time{font-size:2.6rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1}
.duty-note{min-height:1.1em;font-size:.75rem;color:var(--muted)}
.duty-card .formula{font-size:.65rem}
.duty-card:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(10,15,22,.10);transition:.25s}


/* Enforce light scheme on supported browsers */
/* ダーク環境でもライトで描画 */
@media (prefers-color-scheme: dark){ :root{ color-scheme: light; } }
@media (max-width:480px){.container{padding:12px}.site-header,.site-footer{padding:12px}}